| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 17.369 | 21/6:04.749 |
| 2 | 7 | 18.602 | 21/6:17.696 |
| 3 | 5 | 17.684 | 21/6:15.585 |
| 4 | 5 | 18.313 | 21/6:17.832 |
| 5 | 6 | 17.395 | 21/6:15.325 |
| 6 | 6 | 17.557 | 21/6:14.220 |
| 7 | 5 | 17.361 | 21/6:12.843 |
| 8 | 6 | 20.931 | 20/6:03.030 |
| 9 | 6 | 17.749 | 20/6:02.136 |
| 10 | 6 | 16.911 | 21/6:17.731 |
| 11 | 5 | 17.240 | 21/6:16.305 |
| 12 | 5 | 24.599 | 20/6:09.518 |
| 13 | 5 | 16.858 | 20/6:07.029 |
| 14 | 5 | 17.181 | 20/6:05.357 |
| 15 | 6 | 17.648 | 20/6:04.531 |
| 16 | 5 | 17.502 | 20/6:03.625 |
| 17 | 6 | 17.308 | 20/6:02.598 |
| 18 | 6 | 17.155 | 20/6:01.514 |
| 19 | 6 | 17.735 | 20/6:01.156 |
| 20 | 6 | 17.165 | 20/6:00.263 |